[LTP] [PATCH] pan/ltp-pan.c: fix file descriptors leaks

[Yang Xu]

Hi Cyril, Feiyu
> Hi!
>> ltp-pan will leak file descriptors of fopen() into the child process
>> of the test case, fix this problem by using mode "e" for fopen().
>
> Looks good, however this is supported since glibc 2.7 and it does not
> seem to be supported on musl libc either.
>
Yes, musl-libc doesn't support "e" mode for fopen[1].

[1]https://git.musl-libc.org/cgit/musl/tree/src/stdio/fopen.c
> I guess that it would be better just to close these files after a fork
> in the runchild() function, but that would mean that we would have to
> pass all these files as paramters to the function as well.
+1
>